var preUrl = "http://renqiushuiwu.ebj.ebjcloud.com/console";
//var preUrl = "http://localhost:9527/console";

var getUrlParameter = function (sParam) {
    var sPageURL = window.location.search.substring(1);
    var sURLVariables = sPageURL.split('&');
    for (var i = 0; i < sURLVariables.length; i++) {
        var sParameterName = sURLVariables[i].split('=');
        if (sParameterName[0] == sParam) {
            return sParameterName[1];
        }
    }
}